/* 英雄区域样式 */
.hero {
    text-align: center;
    padding: 6rem 2rem;
    background: linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.9)),
                url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn.primary {
    background: #4CAF50;
    color: white;
}

.btn.secondary {
    background: transparent;
    color: #4CAF50;
    border: 2px solid #4CAF50;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 特性区域样式 */
.about-section {
    padding: 4rem 2rem;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.icon {
    display: inline-block;
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
    text-align: left;
}

.feature-list li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li:before {
    content: "✓";
    color: #4CAF50;
    position: absolute;
    left: 0;
}

/* 保护措施区域样式 */
.protection-section {
    padding: 4rem 2rem;
    background: #f8f9fa;
}

.protection-section h2 {
    font-size: 1.5rem;
    color: #333;
    text-align: left;
    margin-bottom: 2rem;
}

.protection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.protection-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.protection-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.protection-card h3, .protection-card p {
    padding: 1rem;
}

/* 统计区域样式 */
.statistics-section {
    padding: 4rem 2rem;
    background-color: #f8f9fa;
}

.statistics-section h2 {
    font-size: 1.5 rem;
    text-align: left;
    color: #333;
    margin-bottom: 2rem;
    max-width: 1200px;

    padding: 2rem 0;
}

.statistics-section .stat-section h3 {
    text-align: center;
    color: #1b5e20;
    font-size: 1.8em;
    margin: 40px 0 30px;
}

.statistics-overview {
    margin-bottom: 70px;
}

.statistics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.stat-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: left;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card.highlight:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4CAF50, #81C784);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stat-content {
    margin-bottom: 15px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #2e7d32;
}

.stat-number {
    font-size: 2.8em;
    font-weight: bold;
    color: #1b5e20;
    margin: 10px 0;
    line-height: 1;
}

.stat-label {
    font-size: 1.2em;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}

.stat-desc {
    font-size: 0.9em;
    color: #666;
    line-height: 1.5;
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
}

.trend-up {
    color: #2e7d32;
    font-weight: 500;
}

.trend-stable {
    color: #1976d2;
    font-weight: 500;
}

.trend-period {
    color: #757575;
    font-size: 0.9em;
}

/* 详细统计卡片样式 */
.stat-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.detail-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.detail-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
}

.detail-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    background: #e8f5e9;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #2e7d32;
}

.detail-card h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.detail-number {
    font-size: 2.2em;
    font-weight: bold;
    color: #1b5e20;
    margin: 10px 0;
}

/* 进度条样式 */
.progress-bar {
    width: 100%;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    margin-top: 15px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #81C784);
    border-radius: 3px;
    transition: width 1s ease-in-out;
}

.progress.decrease {
    background: linear-gradient(90deg, #FF5722, #FF8A65);
}

/* 服务指示器样式 */
.service-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #bdbdbd;
}

.dot.active {
    background: #4CAF50;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

/* 专业标签样式 */
.expertise-tags {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 15px;
    flex-wrap: wrap;
}

.tag {
    padding: 4px 12px;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: 15px;
    font-size: 0.9em;
}

/* 生态指标样式 */
.eco-indicator {
    height: 4px;
    background: #e0e0e0;
    border-radius: 2px;
    margin-top: 15px;
    position: relative;
    overflow: hidden;
}

.water-drop,
.soil-quality,
.green-shield {
    height: 100%;
    background: linear-gradient(90deg, #2196F3, #64B5F6);
    width: 35%;
    position: absolute;
    left: 0;
    top: 0;
}

.soil-quality {
    background: linear-gradient(90deg, #795548, #A1887F);
    width: 50%;
}

.green-shield {
    background: linear-gradient(90deg, #4CAF50, #81C784);
    width: 80%;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .statistics-section {
        padding: 40px 0;
    }

    .statistics-grid,
    .stat-detail-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-number {
        font-size: 2.2em;
    }
} 

/* 页脚样式 */
footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #ccc;
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #444;
}

.footer-bottom p {
    color: #888;
} 